: causing a rise in blood pressure by exerting a vasoconstrictor effect
vasopressor noun

Word History

Etymology

vaso- + pressor

First Known Use

1928, in the meaning defined above

Time Traveler
The first known use of vasopressor was in 1928

Browse Nearby Words

Cite this Entry

“Vasopressor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vasopressor. Accessed 7 Jul. 2026.

Medical Definition

vasopressor

1 of 2 adjective
: causing a rise in blood pressure by exerting a vasoconstrictor effect
vasopressor drugs

vasopressor

2 of 2 noun
: a vasopressor agent (as a drug)
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